Check device ready bit (PMT_CTL_READY_) after reset the PHY.
Device may not be ready even if PHY_RST_ is cleared depends on configuration.
Signed-off-by: Woojung Huh <woojung....@microchip.com>
---
drivers/net/usb/lan78xx.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c
index a39518f..d0d8790 100644
--- a/drivers/net/usb/lan78xx.c
+++ b/drivers/net/usb/lan78xx.c
@@ -2002,7 +2002,7 @@ static int lan78xx_reset(struct lan78xx_net *dev)
netdev_warn(dev->net, "timeout waiting for PHY Reset");
return -EIO;
}
- } while (buf & PMT_CTL_PHY_RST_);
+ } while ((buf & PMT_CTL_PHY_RST_) || !(buf & PMT_CTL_READY_));
lan78xx_mii_init(dev);
--
2.1.4
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